Hervé IV DE DONZY Seigneur de Donzy
- Married: After 20 Dec 1213
- Died: 22 Jul 1222, Château de Saint-Aignan, Saint-Loubès, France
“Guillelmus Guoet dominus de Giem” donated property to Rigny abbey, with the support of “fratres mei Philippus, Gaufridus, Herveus et Rainaudus” by undated charter.
He succeeded his father in 1187 as Seigneur de Donzy. Seigneur d’Alluyes: “Reginaldus Montismirabilis dominus, Herveii Danzeii filius” guaranteed the freedoms granted to “monachis S. Romani de Braiolo” by “Herveus frater meus Aloyæ dominus” by charter dated 31 Mar 1197. “Herveus Aloie dominus” confirmed the rights of the prior of Saint-Jean de Brou in his lands, with the consent of “Philippus de Danzeio...frater meus...”, by charter dated to .
Comte de Nevers, by right of his wife. He disputed possession of the château de Gien with Pierre de Courtenay, but defeated the latter and obliged him to agree to the hand of his daughter as well as the transfer of the county of Nevers. The arrangement was confirmed by Philippe II King of France in Nov 1199. His father-in-law invested him as Comte de Tonnerre before leaving France in early 1217 following his appointment as Emperor of Constantinople. He succeeded his father-in-law in 1219 as Comte d'Auxerre.
The Chronique de Guillaume de Nangis records in 1222 the death by poison of "Henri comte de Nevers" and his burial first "dans le château de Saint-Aignan dans le territoire de Bourges, ensuite dans le monastère de Pontigny, ordre de Cîteaux".
Hervé married Mathilde DE COURTENAY Countess of Nevers, Auxerre & Tonnerre, daughter of Pierre II DE COURTENAY Emperor of Constantinople, Comte de Courtenay and Agnès DE NEVERS Countess, after 20 Dec 1213. (Mathilde DE COURTENAY Countess of Nevers, Auxerre & Tonnerre was born about 1188 and died on 29 Jul 1257.)
Marriage contract Paris Oct 1199, Papal dispensation 20 Dec 1213